The National Aeronautics and Space Administration (NASA) of the United States released what a black hole located in the Perseus cluster of galaxies, detected in 2003.
Thanks to the sound waves captured by the X-ray observatory Chandra (CXC) of NASA, scientists have been able to identify and translate the sounds that the astronomical object has.
How does sound travel in space?
Contrary to what many might believe, and despite the fact that most of it is made up of a great void, sound does exist in space. But, for these waves to travel, there are certain requirements. For example, large amounts of gas present in thousands of galaxies.
This time, researchers found that the pressure waves sent out by this black hole caused ripples in the hot gas of the Perseus galaxy cluster, which produced a sound that marked a note.
The sonification made it possible
The note that emerged in the analyzes of the black hole has some 57 octaves below middle C. Because humans do not possess the ability to perceive this note, the researchers were able to adapt the sound to be able to hear it.
The technique known as “sonification”, which is understood as the translation of astronomical data into sound, allowed more notes to be added, making it possible to hear them.
Quadrillion octaves higher
This sonification allowed the captured waves to be resynthesized in the range of human hearing, scaling them into 57 and 58 octaves above its real pitch, put in numbers, you hear 144 quadrillion and 288 quadrillion times higher than its original frequency (A quadrillion is 1,000,000,000,000).
Although this is not the first sonification ever made, it is not there is no other carried out before that resembles this, because the real sound waves that were recorded by the CXC were reviewed.
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